package com.kx.yooli.kx.wechat.utils.http;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.entity.StringEntity;
import org.jetbrains.annotations.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.*;
import java.io.*;
import java.net.*;
import java.nio.charset.StandardCharsets;
import java.security.cert.X509Certificate;
import java.util.concurrent.atomic.AtomicReference;

import static javax.net.ssl.SSLContext.*;

/**
 * @author john_sqwen-childe.wen
 * date 2024/5/30
 * PROJECT_NAME wechat
 * description create HttpUtils by john_sqwen
 * and  value is
 */
public class HttpUtils {
    private  static final Logger log = LoggerFactory.getLogger(HttpUtils.class);

    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url)
    {
        return sendGet(url, StringUtils.EMPTY);
    }
    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param)
    {
        return sendGet(url, param, "utf-8");
    }
    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @param contentType 编码类型
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param, String contentType)
    {
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try
        {
            String urlNameString = StringUtils.isNotBlank(param) ? url + param : url;
            log.info("sendGet - {}", urlNameString);
            URI uri = URI.create(urlNameString);
            //URL realUrl = new URL(urlNameString);
            //URLConnection connection = realUrl.openConnection();
            URLConnection connection = uri.toURL().openConnection();
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.connect();
            in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (in != null)
                {
                    in.close();
                }
            }
            catch (Exception ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }
    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param)
    {
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try
        {
            log.info("sendPost - {}", url);
            URLConnection conn = getUrlConnection(url);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (out != null)
                {
                    out.close();
                }
                if (in != null)
                {
                    in.close();
                }
            }
            catch (IOException ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }

    /**
     * jdk version 21 new method
     *
     * @param url
     * @return
     * @throws IOException
     */
    @NotNull
    private static URLConnection getUrlConnection(String url) throws IOException {
        URI uri = URI.create(url);
        //URL realUrl = new URL(urlNameString);
        //URLConnection connection = realUrl.openConnection();
        URLConnection conn = uri.toURL().openConnection();
        //URLConnection conn = realUrl.openConnection();
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
        conn.setRequestProperty("Accept-Charset", "utf-8");
        conn.setRequestProperty("contentType", "utf-8");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        return conn;
    }

    public static String sendSsLPost(String url)
    {
        StringBuilder result = new StringBuilder();
        try
        {
            log.info("sendSSLPost url value  is- {}", url);
            SSLContext sc = getInstance("SSL");
            sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
            //URL console = new URL(urlNameString);
            URI uri = URI.create(url);
            HttpsURLConnection conn = getUrlConnection(uri);
            conn.setSSLSocketFactory(sc.getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String ret = "";
            while ((ret = br.readLine()) != null)
            {
                if (!ret.trim().isEmpty())
                {
                    result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
                }
            }
            log.info("recv - {}", result);
            conn.disconnect();
            br.close();
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url , e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" , e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" , e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=", e);
        }
        return result.toString();
    }
    /**
     * ssl 请求方式
     *
     * @param url
     * @param param
     * @return
     */
    public static String sendSsLPost(String url, String param)
    {
        StringBuilder result = new StringBuilder();
        String urlNameString = url + "?" + param;
        try
        {
            log.info("sendSSLPost - {}", urlNameString);
            AtomicReference<SSLContext> sc = new AtomicReference<>(getInstance("SSL"));
            sc.get().init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
            //URL console = new URL(urlNameString);
            URI uri = URI.create(urlNameString);
            HttpsURLConnection conn = getUrlConnection(uri);
            conn.setSSLSocketFactory(sc.get().getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            StringEntity entity =  new StringEntity(param,StandardCharsets.UTF_8);
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String ret = "";
            while ((ret = br.readLine()) != null)
            {
                if (!ret.trim().isEmpty())
                {
                    result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
                }
            }
            log.info("recv - {}", result);
            conn.disconnect();
            br.close();
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
        }
        return result.toString();
    }

    @NotNull
    private static HttpsURLConnection getUrlConnection(URI uri) throws IOException {
        HttpsURLConnection conn = (HttpsURLConnection) uri.toURL().openConnection();
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
        conn.setRequestProperty("Accept-Charset", StandardCharsets.UTF_8.toString());
        conn.setRequestProperty("contentType",StandardCharsets.UTF_8.toString());
        conn.setDoOutput(true);
        conn.setDoInput(true);
        return conn;
    }

    private static class TrustAnyTrustManager implements X509TrustManager
    {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public X509Certificate[] getAcceptedIssuers()
        {
            return new X509Certificate[] {};
        }
    }

    private static class TrustAnyHostnameVerifier implements HostnameVerifier
    {
        @Override
        public boolean verify(String hostname, SSLSession session)
        {
            return true;
        }
    }

    public static void main(String[] args) {
        String url ="https://api.weixin.qq.com/cgi-bin/token";
        String param = "grant_type=client_credential&appid=wxff4d8fb6288810d0&secret=6601472dc13cf387945338190dc3706e";
        String s = sendSsLPost(url, param);
        log.info("the value is  {}",s);
    }
}
